collection: 2lang: elauthor: Souliou, Theodora_or_Karkalousos, Petros_or_Fountzoula, Christina_or_Spyropoulos, Vasileios_or_Pagourtzis, Aristeidis_or_Ψειρίδου, Αναστασία__elsubjectTerm: I. MATHEMATICS AND COMPUTER SCIENCE_or_IV. MEDICINE AND HEALTH SCIENCES, LIFE SCIENCES, BIOLOGICAL SCIENCES